Theories exist in all types of professions. A theory was created to understand or better understand a phenomenon (Potter, Perry, Stockert, & Hall, 2013). A nursing theory uses this idea to clarify and develop an aspect of nursing (Potter et al., 2013). There are many different nursing theories that help nurses understand nursing practice. The theory that lays the foundation of nursing is Hildegard Peplau's theory of interpersonal relationships. Peplau's theory describes the nurse-patient relationship and the roles of nurses defined by three different phases: orientation, working phase and termination (Peplau, 1997). This theory can then be applied in nursing practice through the work environment and nursing process. Before applying this theory in real-world applications, the theory must be understood. Peplau (1997) believes that the nursing profession is not only scientific but also artistic. A large part of the nursing profession is concerned with communicating with the patient or their family. Peplau (1997) saw this interpersonal relationship broken down into: ...